<template>
   <div>
       <button @click="isShow=!isShow">显示/隐藏</button>
       <transition-group 
            name="animate__animated animate__bounce" 
            enter-active-class="animate__swing"
            leave-active-class="animate__backOutUp"
            appear
        > 
        <h1 v-show="isShow" key="1">你好啊！</h1>
       </transition-group>
      
   </div>
</template>

<script>
    import 'animate.css'
    export default {
        name:'Test',
        data(){
            return{
                isShow:true
         }
        },
    }
</script>

<style scoped>
   h1{
     background-color: orange;
     transition: all 0.5s linear;
   }
  
</style>